<s>
is	O
a	O
scrolling	O
shooter	O
video	O
game	O
developed	O
and	O
published	O
by	O
Exact	O
exclusively	O
for	O
the	O
Sharp	B-Device
X68000	I-Device
in	O
Japan	O
on	O
October	O
26	O
,	O
1990	O
.	O
</s>
<s>
It	O
is	O
both	O
the	O
first	O
title	O
to	O
be	O
created	O
and	O
released	O
by	O
Exact	O
for	O
the	O
X68000	B-Device
platform	O
,	O
as	O
well	O
as	O
the	O
first	O
project	O
produced	O
by	O
the	O
company	O
.	O
</s>
<s>
Set	O
in	O
a	O
futuristic	O
sci-fi	O
2143	O
setting	O
,	O
the	O
players	O
assume	O
the	O
role	O
of	O
fighter	B-Application
pilot	I-Application
Manami	O
Katagiri	O
taking	O
control	O
of	O
the	O
ASP	O
space	O
fighter	O
craft	O
in	O
an	O
effort	O
to	O
stop	O
the	O
titular	O
artificial	B-Application
intelligence	I-Application
that	O
has	O
turned	O
antagonistic	O
against	O
humankind	B-Application
.	O
</s>
<s>
Although	O
the	O
game	O
was	O
first	O
launched	O
by	O
Exact	O
on	O
retail	O
stores	O
,	O
it	O
would	O
later	O
be	O
distributed	O
through	O
the	O
Takeru	O
software	O
vending	O
machines	O
,	O
which	O
allowed	O
users	O
to	O
write	O
commercial	O
titles	O
or	O
dōjin	O
soft	O
on	O
blank	O
5.25	B-Device
"	I-Device
floppy	I-Device
disks	I-Device
.	O
</s>
<s>
Despite	O
receiving	O
little	O
promotion	O
,	O
Naious	B-Application
became	O
a	O
sleeper	O
hit	O
among	O
the	O
X68000	B-Device
userbase	O
for	O
Exact	O
during	O
its	O
initial	O
release	O
and	O
received	O
praise	O
for	O
various	O
aspects	O
such	O
as	O
the	O
graphics	O
and	O
gameplay	O
that	O
would	O
eventually	O
lead	O
it	O
to	O
be	O
named	O
"	O
Game	O
of	O
the	O
Year	O
"	O
by	O
Japanese	O
magazine	O
Oh	O
!	O
X	O
in	O
its	O
genre	O
.	O
</s>
<s>
After	O
its	O
release	O
,	O
Exact	O
would	O
go	O
on	O
to	O
develop	O
their	O
second	O
title	O
for	O
the	O
X68000	B-Device
;	O
Aquales	B-Application
,	O
which	O
was	O
released	O
almost	O
a	O
year	O
later	O
and	O
garnered	O
positive	O
response	O
from	O
critics	O
and	O
audience	O
alike	O
.	O
</s>
<s>
Naious	B-Application
is	O
a	O
scrolling	O
shoot	O
'	O
em	O
up	O
game	O
reminiscent	O
of	O
Hellfire	B-Application
,	O
Thunder	B-Application
Cross	I-Application
and	O
Whip	B-Application
Rush	I-Application
,	O
where	O
players	O
assume	O
the	O
role	O
of	O
pilot	O
Manami	O
Katagiri	O
taking	O
control	O
of	O
the	O
ASP	O
space	O
fighter	O
craft	O
across	O
seven	O
stages	O
that	O
take	O
place	O
on	O
a	O
futuristic	O
sci-fi	O
setting	O
in	O
a	O
last-ditch	O
effort	O
to	O
stop	O
the	O
titular	O
artificial	B-Application
intelligence	I-Application
that	O
has	O
become	O
rogue	O
against	O
humankind	B-Application
and	O
defeat	O
his	O
army	O
of	O
enemies	O
.	O
</s>
<s>
Players	O
can	O
also	O
equip	O
the	O
ship	O
with	O
a	O
set	O
of	O
two	O
satellite	B-Application
"	O
options	O
"	O
,	O
whose	O
positions	O
can	O
be	O
arranged	O
and	O
attack	O
at	O
the	O
player	O
's	O
will	O
.	O
</s>
<s>
If	O
the	O
ship	O
is	O
hit	O
by	O
enemy	O
fire	O
,	O
the	O
players	O
lose	O
a	O
live	O
as	O
well	O
as	O
both	O
the	O
options	O
and	O
the	O
weapon	O
in	O
use	O
,	O
instead	O
of	O
losing	O
all	O
collected	O
weapons	O
and	O
once	O
all	O
lives	O
are	O
lost	O
,	O
the	O
game	B-Application
is	I-Application
over	I-Application
.	O
</s>
<s>
The	O
plotline	O
of	O
Naious	B-Application
takes	O
place	O
between	O
the	O
21st	O
and	O
22nd	O
centuries	O
,	O
where	O
the	O
Earth	O
has	O
become	O
overpopulated	O
and	O
uninhabitable	O
due	O
to	O
constant	O
pollution	O
that	O
prompted	O
humankind	B-Application
towards	O
space	O
colonization	O
,	O
which	O
expanded	O
their	O
technological	O
advances	O
as	O
a	O
result	O
.	O
</s>
<s>
The	O
humans	O
first	O
discovered	O
a	O
series	O
of	O
machines	O
in	O
Mars	B-Application
and	O
scientists	O
spent	O
several	O
years	O
in	O
reverse	O
engineering	O
their	O
technology	O
for	O
beneficial	O
purposes	O
,	O
while	O
habitable	O
spots	O
in	O
a	O
weakened	O
Jupiter	O
are	O
found	O
for	O
temporary	O
colonization	O
and	O
the	O
existence	O
of	O
extraterrestrial	O
life	O
is	O
later	O
confirmed	O
.	O
</s>
<s>
The	O
technological	O
expansion	O
led	O
to	O
widespread	O
pollution	O
once	O
again	O
and	O
to	O
counter	O
it	O
,	O
a	O
satellite	B-Application
containing	O
the	O
titular	O
artificial	B-Application
intelligence	I-Application
is	O
built	O
by	O
the	O
Earth	O
Federation	O
Bureau	O
for	O
the	O
task	O
of	O
purifying	O
the	O
atmosphere	O
of	O
Earth	O
,	O
however	O
it	O
eventually	O
becomes	O
sentient	O
and	O
ultimately	O
threatens	O
humanity	O
by	O
first	O
obliterating	O
various	O
cities	O
with	O
a	O
powerful	O
blast	O
.	O
</s>
<s>
Manami	O
Katagiri	O
,	O
pilot	O
of	O
the	O
ASP	O
space	O
fighter	O
craft	O
,	O
is	O
assigned	O
with	O
the	O
mission	O
of	O
stopping	O
the	O
rogue	O
AI	B-Application
in	O
a	O
last-ditch	O
effort	O
.	O
</s>
<s>
Naious	B-Application
was	O
both	O
the	O
first	O
title	O
to	O
be	O
created	O
and	O
released	O
by	O
Exact	O
for	O
the	O
X68000	B-Device
platform	O
,	O
as	O
well	O
as	O
the	O
first	O
overall	O
project	O
produced	O
by	O
the	O
company	O
.	O
</s>
<s>
It	O
was	O
later	O
distributed	O
through	O
the	O
Takeru	O
software	O
vending	O
machines	O
,	O
which	O
allowed	O
users	O
of	O
the	O
machine	O
to	O
download	O
commercial	O
or	O
dōjin	O
games	O
by	O
inserting	O
a	O
blank	O
floppy	B-Device
disk	I-Device
.	O
</s>
<s>
Although	O
it	O
received	O
little	O
promotion	O
,	O
Naious	B-Application
became	O
a	O
popular	O
title	O
among	O
users	O
of	O
the	O
X68000	B-Device
and	O
several	O
aspects	O
such	O
as	O
the	O
graphics	O
and	O
gameplay	O
were	O
praised	O
by	O
critics	O
,	O
which	O
would	O
eventually	O
lead	O
the	O
game	O
on	O
being	O
named	O
"	O
Game	O
of	O
the	O
Year	O
"	O
from	O
Oh	O
!	O
X	O
magazine	O
in	O
its	O
genre	O
.	O
</s>
